Tonight, Muslims around the world will begin observing the holy month of Ramadan, the ninth month in the Islamic calendar. During the next 29–30 days, Muslims (and non-Muslims who want to participate) ...

We all know the ritual of unwrapping a stick of gum before a big date, a job interview or to stay awake during a college lecture or afternoon slump. After all, gum is the ultimate multitasker – ...